Martin claimed that the reported injuries of some players had been a smokescreen to cover the decision to "separate" them from the rest of the squad.
After victory over Schalke last night, goalkeeper Victor Valdes was asked about Martin's comments and said: "We hope he gives us an explanation when we see him around the club."
Barcelona striker Samuel Eto'o went further, rapping: "Who said this? The president? No? Well, then I say enjoy this president, the rest are s*** ..."